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2019-10-15libcamera: controls: Merge ControlInfoMap and V4L2ControlInfoMapLaurent Pinchart
The ControlInfoMap and V4L2ControlInfoMap classes are very similar, with the latter adding convenience accessors based on numerical IDs for the former, as well as a cached idmap. Both features can be useful for ControlInfoMap in the context of serialisation, and merging the two classes will further simplify the IPA API. Import all the features of V4L2ControlInfoMap into ControlInfoMap, turning the latter into a real class. A few new constructors and assignment operators are added for completeness. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2019-10-15libcamera: v4l2_controls: Store a ControlRange in V4L2ControlInfoMapLaurent Pinchart
V4L2ControlRange only offers a convenience constructor for a ControlRange. Store the ControlRange instead of V4L2ControlRange in V4L2ControlInfoMap to make the map less dependent on V4L2 types. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2019-10-15libcamera: v4l2_controls: Replace V4L2ControlInfo with V4L2ControlRangeLaurent Pinchart
The V4L2ControlInfo class only stores a ControlRange. Make it inherit from ControlRange to provide a convenience constructor from a struct v4l2_query_ext_ctrl and rename it to V4L2ControlRange. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2019-10-15test: v4l2_videodevice: controls: Use correct control range in checkLaurent Pinchart
A value check on the V4L2_CID_CONTRAST control is using the brightness control range. Fix it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2019-10-13libcamera: v4l2_device: Replace V4L2ControlList with ControlListLaurent Pinchart
The V4L2Device class uses V4L2ControlList as a controls container for the getControls() and setControls() operations. Having a distinct container from ControlList will makes the IPA API more complex, as it needs to explicitly transport both types of lists. This will become even more painful when implementing serialisation and deserialisation. To simplify the IPA API and ease the implementation of serialisation and deserialisation, replace usage of V4L2ControlList with ControlList in the V4L2Device (and thus CameraSensor) API. The V4L2ControlList class becomes a thin wrapper around ControlList that slightly simplifies the creation of control lists for V4L2 controls, and may be removed in the future. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Tested-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2019-10-13test: v4l2_videodevice: Add V4L2 control testLaurent Pinchart
Add a test that exercises the control enumeration, get and set APIs on a V4L2Device. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Tested-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2019-08-19test: Get event dispatcher from current threadLaurent Pinchart
For all tests that don't otherwise require access to the camera manager, get the event dispatcher from the current thread instead of the camera manager. This prepares for the removal of CameraManager::instance(). Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2019-08-13test: v4l2_device: Remove unused functionKieran Bingham
The 'exists()' call is not used within the code base. Remove it. Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2019-08-13test: v4l2_videodevice: Add M2M device testKieran Bingham
The V4L2M2MDevice requires two video devices to be configured. This makes it unsuitable to reuse the existing V4L2DeviceTest test library in its current form. Implement a full test to run the two M2M pipelines through VIM2M. Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
2019-08-11tests: v4l2_videodevice: Set media bus and pixel formats for vimcNiklas Söderlund
Most of the video device tests are based on vimc and Linux commit 85ab1aa1fac17bcd ("media: vimc: deb: fix default sink bayer format") changes the default media bus format for the debayer subdevices. This leads to a -EPIPE error when trying to use the raw capture video device nodes. Fix this by explicitly setting media bus and pixel formats to known good values which works before and after the upstream change. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-07-14libcamera: v4l2_videodevice: Signal buffer completion at streamoff timeLaurent Pinchart
When stopping the stream buffers have been queued, in which case their completion is never be notified to the user. This can lead to memory leaks. Fix it by notifying completion of all queued buffers with the status set to error. As a result the base PipelineHandler implementation can be simplified, as all requests complete as the result of stopping the stream. The stop() method that manually completes all queued requests isn't needed anymore. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2019-07-14libcamera: v4l2_videodevice: Add helper to queue all buffersLaurent Pinchart
When starting the stream on a capture video device it is often needed to queue all the allocated buffers. Add a helper method to do so, and refactor the existing queueBuffer() method to make it clearer. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2019-07-13test: v4l2_videodevice: buffer_sharing: Lower resolution to speed up testLaurent Pinchart
Lower the resolution to the smallest vivid supports, 320x180, in order to speed up the test. This isn't enough in itself as the frame rate also has to be configured, but the V4L2VideoDevice class doesn't support frame rate control yet. In the meantime the frame rate can be set manually with yavta or v4l2-ctl. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
2019-06-19libcamera: Rename V4L2Device to V4L2VideoDeviceJacopo Mondi
In preparation of creating a new V4L2Device base class, rename V4L2Device to V4L2VideoDevice. This is a project wide rename without any intended functional change. Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>